On Fri, 2007-03-16 at 23:06 -0500, Mike Snitzer wrote:
quoted text
> I'm interested in understanding the state of Linux with regard to
> _really_ forcing a filesystem to unmount.
> 
> There is a (stale) project at OSDL that has various implementations:
> http://developer.osdl.org/dev/fumount/


the problem with the people who say they want forced umount is.. that
most of the time they either want
1) get rid of the namespace entry
or
2) want to stop any and all IO to a certain device/partition 

1) is already supported with lazy umount (umount -l)
for 2), it's not forced umount that they want, it's really an IO
disconnect (which scsi supports btw in 2.6 kernels).

So.. depending on which of the 2 you are, it's there. Just it's not
called "forced umount".....


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